Main Features: Compatible Model:Anet A8, Anet A6, For Prusa i3 ● Detection range: 8mm ● Working voltage: DC 6 – 36V ● It is an auto leveling sensor for 3D printers. It can precisely measure the tilt of your print surface ● It can greatly improve the printing precision of your 3D printer ● For Anet A8 or other 3D printer which has the software of the automatic leveling control system Package included: 1xAuto Leveling Position Sensor as picture shows